Raise rear of vehicle Four wheel dynamometers

4. Before commencing work on underside of DYNAMOMETER TESTING vehicle re-check security of vehicle on stands.
5. Reverse procedure when removing vehicle from stands.

Raise rear of vehicle Four wheel dynamometers

1. Position cup of hydraulic arm under differential casing. Provided that front and rear dynamometer rollers are
2. Raise vehicle to enable axle stands to be rotating at identical speeds and that normal workshop installed under left and right hand axle tubes. safety standards are applied, there is no speed
3. Lower jack until axle sits securely on axle restriction during testing except any that may apply to stands, remove trolley jack. the tyres.
4. Before commencing work on underside of vehicle re-check security of vehicle on stands. Two wheel dynamometers
5. Reverse procedure when removing vehicle from stands. IMPORTANT: Use a four wheel dynamometer for brake testing if possible.

If brake testing on a single axle rig is necessary it must be carried out with propeller shaft to rear axle

HYDRAULIC VEHICLE RAMP (FOUR POST)

removed, AND neutral selected in BOTH main gearbox and transfer gearbox. When checking brakes,

Use only a ’drive on’ type ramp which supports vehicle

run engine at idle speed to maintain servo vacuum.

on its own road wheels. If a ’wheel-free’ condition is required, use a ’drive on’ ramp incorporating a

If checking engine performance, the transfer box must

’wheel-free’ system providing support beneath axle

be in high range and propeller shaft to stationary axle

casings. Alternatively, place vehicle on a firm, flat floor

must be removed.

and support on axle stands.

TWO POST VEHICLE RAMPS

The manufacturer of LAND ROVER VEHICLES DOES NOT recommend using ’Two Post’ ramps employing four adjustable support arms. These are NOT considered safe for Land Rover vehicles. If a vehicle is raised on a Two Post ramp, responsibility for safety of the vehicle and personnel performing service operations lies with the Service Provider.

• WARNING: DO NOT attempt to drive
• individual wheels with vehicle supported
• on floor jacks or stands.